SBI's activities include the construction of public works and infrastructures, roads and highways, bridges, tunnels, Hydro-Power Stations, and harbor works.The group's portfolio also includes housing, hospital, and hotel construction as well as less conventional projects such as airfields, military camps, cathedrals.In addition, SBI offers construction of waterworks and hydro-technical structures, dams, reservoirs, elevated water tanks, main pipeline, and distribution systems, drainage and sewerage systems, and treatment plans.